{"id":121383,"date":"2025-01-17T09:46:03","date_gmt":"2025-01-17T07:46:03","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/obnovlenie-openvpn-2-6-13-s-ustraneniem-problemy-s-bezopasnostyu"},"modified":"2025-01-17T09:46:03","modified_gmt":"2025-01-17T07:46:03","slug":"obnovlenie-openvpn-2-6-13-s-ustraneniem-problemy-s-bezopasnostyu","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/obnovlenie-openvpn-2-6-13-s-ustraneniem-problemy-s-bezopasnostyu","title":{"rendered":"Az OpenVPN 2.6.13 friss\u00edt\u00e9se a biztons\u00e1gi probl\u00e9ma megsz\u00fcntet\u00e9s\u00e9vel","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Megjelent az OpenVPN 2.6.13 verzi\u00f3, amely lehet\u0151v\u00e9 teszi titkos\u00edtott kapcsolat l\u00e9trehoz\u00e1s\u00e1t k\u00e9t kliens g\u00e9p k\u00f6z\u00f6tt, vagy k\u00f6zponti VPN-szerver m\u0171k\u00f6dtet\u00e9s\u00e9t, amely egyszerre t\u00e1mogat t\u00f6bb klienst. Az \u00faj verzi\u00f3ban megsz\u00fcntett\u00e9k a biztons\u00e1gi probl\u00e9m\u00e1t, amely a szerver oldal\u00e1n fell\u00e9p\u0151 puffer t\u00falcsordul\u00e1shoz vezetett, amikor a kliens a felhaszn\u00e1l\u00f3n\u00e9v vagy a jelsz\u00f3 olyan m\u00e9ret\u0171, amely meghaladja a USER_PASS_LEN \u00e9rt\u00e9k\u00e9t. A sebezhet\u0151s\u00e9g CVE azonos\u00edt\u00f3ja m\u00e9g nem lett kiadva, \u00e9s nem vil\u00e1gos, mennyire alkalmas a probl\u00e9ma m\u0171k\u00f6d\u0151 kihaszn\u00e1l\u00e1sok elk\u00e9sz\u00edt\u00e9s\u00e9re.    <\/p>\n<p>A biztons\u00e1ggal nem kapcsolatos v\u00e1ltoz\u00e1sok k\u00f6z\u00f6tt kiemelhet\u0151:  <\/p>\n<ul>\n<li class=\"l\"> A kliens \u00e1ltal megadott IV_PLAT_VER param\u00e9ter, amely az oper\u00e1ci\u00f3s rendszer kiad\u00e1si inform\u00e1ci\u00f3j\u00e1t tartalmazza, amit az uname() f\u00fcggv\u00e9ny ad, lehet\u0151v\u00e9 teszi a <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hu\/server\/dts-gdansk\/\"   title=\"szervereken\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4557\">szervereken<\/a> statisztika gy\u0171jt\u00e9s\u00e9t az \u00fcgyfelek \u00e1ltal haszn\u00e1lt oper\u00e1ci\u00f3s rendszer verzi\u00f3kr\u00f3l.\n<li class=\"l\"> Linux rendszereken el\u00e9rhet\u0151 a systemd-ask-password folyamat ind\u00edt\u00e1sa a &#171;&#8212;timeout=0&#187; param\u00e9terrel a default 90 m\u00e1sodperces id\u0151korl\u00e1t kikapcsol\u00e1s\u00e1hoz.\n<li class=\"l\"> Mem\u00f3riasziv\u00e1rg\u00e1sok megsz\u00fcntet\u00e9se a FreeBSD rendszereken.\n<li class=\"l\"> Az &#171;&#8212;auth-nocache&#187; opci\u00f3val t\u00f6rt\u00e9n\u0151 ind\u00edt\u00e1skor a proxy hiteles\u00edt\u00e9si param\u00e9terei a haszn\u00e1lat ut\u00e1n t\u00f6rl\u00e9sre ker\u00fclnek a mem\u00f3ri\u00e1b\u00f3l.\n<li class=\"l\"> A Windows kliensben a CryptProtectMemory() funkci\u00f3t alkalmazz\u00e1k a cache-elt jelszavak \u00e9s tokenek biztons\u00e1gos t\u00e1rol\u00e1s\u00e1ra a mem\u00f3ri\u00e1ban. Egy \u00faj API-t aktiv\u00e1ltak a dco-win illeszt\u0151program verzi\u00f3j\u00e1nak lek\u00e9r\u00e9s\u00e9re.  <\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62573\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0430\u043a\u0435\u0442\u0430 \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u0447\u0430\u0441\u0442\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0439 OpenVPN 2.6.13, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0435 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 \u043c\u0435\u0436\u0434\u0443 \u0434\u0432\u0443\u043c\u044f \u043a\u043b\u0438\u0435\u043d\u0442\u0441\u043a\u0438\u043c\u0438 \u043c\u0430\u0448\u0438\u043d\u0430\u043c\u0438 \u0438\u043b\u0438 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u0443 \u0446\u0435\u043d\u0442\u0440\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e VPN-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0434\u043b\u044f \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u044b \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u0432. \u0412 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0441 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c\u044e, \u043f\u0440\u0438\u0432\u043e\u0434\u044f\u0449\u0430\u044f \u043a \u043f\u0435\u0440\u0435\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044e \u0431\u0443\u0444\u0435\u0440\u0430 \u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u0435 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 OpenVPN \u043f\u0440\u0438 \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u0438 \u043e\u0442 \u043a\u043b\u0438\u0435\u043d\u0442\u0430 \u043b\u043e\u0433\u0438\u043d\u0430 \u0438\u043b\u0438 \u043f\u0430\u0440\u043e\u043b\u044f, \u0440\u0430\u0437\u043c\u0435\u0440 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u0440\u0435\u0432\u044b\u0448\u0430\u0435\u0442 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 USER_PASS_LEN. [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-121383","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0430\u043a\u0435\u0442\u0430 \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0445 \u0447\u0430\u0441\u0442\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0439 OpenVPN 2.6.13, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e 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